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    <meta charset="UTF-8">
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    <title>index</title>
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    <title>
        index
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<body>
    <div style="text-align: center;">
        <a href="register.jsp">注册</a> <br/>
        <a href="returningString.do">Returning String</a> <br/>
        <a href="returningVoid.do">Returning void</a> <br/>
        <br/>
        <img src="img/01.jpg" />
    </div>
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